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<pre><span class="sourceLineNo">001</span><a id="line.1">/*</a>
<span class="sourceLineNo">002</span><a id="line.2"> * Licensed to the Apache Software Foundation (ASF) under one or more</a>
<span class="sourceLineNo">003</span><a id="line.3"> * contributor license agreements.  See the NOTICE file distributed with</a>
<span class="sourceLineNo">004</span><a id="line.4"> * this work for additional information regarding copyright ownership.</a>
<span class="sourceLineNo">005</span><a id="line.5"> * The ASF licenses this file to You under the Apache License, Version 2.0</a>
<span class="sourceLineNo">006</span><a id="line.6"> * (the "License"); you may not use this file except in compliance with</a>
<span class="sourceLineNo">007</span><a id="line.7"> * the License.  You may obtain a copy of the License at</a>
<span class="sourceLineNo">008</span><a id="line.8"> *</a>
<span class="sourceLineNo">009</span><a id="line.9"> *      http://www.apache.org/licenses/LICENSE-2.0</a>
<span class="sourceLineNo">010</span><a id="line.10"> *</a>
<span class="sourceLineNo">011</span><a id="line.11"> * Unless required by applicable law or agreed to in writing, software</a>
<span class="sourceLineNo">012</span><a id="line.12"> * distributed under the License is distributed on an "AS IS" BASIS,</a>
<span class="sourceLineNo">013</span><a id="line.13"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</a>
<span class="sourceLineNo">014</span><a id="line.14"> * See the License for the specific language governing permissions and</a>
<span class="sourceLineNo">015</span><a id="line.15"> * limitations under the License.</a>
<span class="sourceLineNo">016</span><a id="line.16"> */</a>
<span class="sourceLineNo">017</span><a id="line.17">package org.apache.commons.dbutils.handlers;</a>
<span class="sourceLineNo">018</span><a id="line.18"></a>
<span class="sourceLineNo">019</span><a id="line.19">import java.sql.ResultSet;</a>
<span class="sourceLineNo">020</span><a id="line.20">import java.sql.SQLException;</a>
<span class="sourceLineNo">021</span><a id="line.21">import java.util.Map;</a>
<span class="sourceLineNo">022</span><a id="line.22"></a>
<span class="sourceLineNo">023</span><a id="line.23">import org.apache.commons.dbutils.ResultSetHandler;</a>
<span class="sourceLineNo">024</span><a id="line.24">import org.apache.commons.dbutils.RowProcessor;</a>
<span class="sourceLineNo">025</span><a id="line.25"></a>
<span class="sourceLineNo">026</span><a id="line.26">/**</a>
<span class="sourceLineNo">027</span><a id="line.27"> * {@code ResultSetHandler} implementation that converts the first</a>
<span class="sourceLineNo">028</span><a id="line.28"> * {@code ResultSet} row into a {@code Map}. This class is thread</a>
<span class="sourceLineNo">029</span><a id="line.29"> * safe.</a>
<span class="sourceLineNo">030</span><a id="line.30"> *</a>
<span class="sourceLineNo">031</span><a id="line.31"> * @see org.apache.commons.dbutils.ResultSetHandler</a>
<span class="sourceLineNo">032</span><a id="line.32"> */</a>
<span class="sourceLineNo">033</span><a id="line.33">public class MapHandler implements ResultSetHandler&lt;Map&lt;String, Object&gt;&gt; {</a>
<span class="sourceLineNo">034</span><a id="line.34"></a>
<span class="sourceLineNo">035</span><a id="line.35">    /**</a>
<span class="sourceLineNo">036</span><a id="line.36">     * The RowProcessor implementation to use when converting rows</a>
<span class="sourceLineNo">037</span><a id="line.37">     * into Maps.</a>
<span class="sourceLineNo">038</span><a id="line.38">     */</a>
<span class="sourceLineNo">039</span><a id="line.39">    private final RowProcessor convert;</a>
<span class="sourceLineNo">040</span><a id="line.40"></a>
<span class="sourceLineNo">041</span><a id="line.41">    /**</a>
<span class="sourceLineNo">042</span><a id="line.42">     * Creates a new instance of MapHandler using a</a>
<span class="sourceLineNo">043</span><a id="line.43">     * {@code BasicRowProcessor} for conversion.</a>
<span class="sourceLineNo">044</span><a id="line.44">     */</a>
<span class="sourceLineNo">045</span><a id="line.45">    public MapHandler() {</a>
<span class="sourceLineNo">046</span><a id="line.46">        this(ArrayHandler.ROW_PROCESSOR);</a>
<span class="sourceLineNo">047</span><a id="line.47">    }</a>
<span class="sourceLineNo">048</span><a id="line.48"></a>
<span class="sourceLineNo">049</span><a id="line.49">    /**</a>
<span class="sourceLineNo">050</span><a id="line.50">     * Creates a new instance of MapHandler.</a>
<span class="sourceLineNo">051</span><a id="line.51">     *</a>
<span class="sourceLineNo">052</span><a id="line.52">     * @param convert The {@code RowProcessor} implementation</a>
<span class="sourceLineNo">053</span><a id="line.53">     * to use when converting rows into Maps.</a>
<span class="sourceLineNo">054</span><a id="line.54">     */</a>
<span class="sourceLineNo">055</span><a id="line.55">    public MapHandler(final RowProcessor convert) {</a>
<span class="sourceLineNo">056</span><a id="line.56">        super();</a>
<span class="sourceLineNo">057</span><a id="line.57">        this.convert = convert;</a>
<span class="sourceLineNo">058</span><a id="line.58">    }</a>
<span class="sourceLineNo">059</span><a id="line.59"></a>
<span class="sourceLineNo">060</span><a id="line.60">    /**</a>
<span class="sourceLineNo">061</span><a id="line.61">     * Converts the first row in the {@code ResultSet} into a</a>
<span class="sourceLineNo">062</span><a id="line.62">     * {@code Map}.</a>
<span class="sourceLineNo">063</span><a id="line.63">     * @param rs {@code ResultSet} to process.</a>
<span class="sourceLineNo">064</span><a id="line.64">     * @return A {@code Map} with the values from the first row or</a>
<span class="sourceLineNo">065</span><a id="line.65">     * {@code null} if there are no rows in the {@code ResultSet}.</a>
<span class="sourceLineNo">066</span><a id="line.66">     *</a>
<span class="sourceLineNo">067</span><a id="line.67">     * @throws SQLException if a database access error occurs</a>
<span class="sourceLineNo">068</span><a id="line.68">     *</a>
<span class="sourceLineNo">069</span><a id="line.69">     * @see org.apache.commons.dbutils.ResultSetHandler#handle(java.sql.ResultSet)</a>
<span class="sourceLineNo">070</span><a id="line.70">     */</a>
<span class="sourceLineNo">071</span><a id="line.71">    @Override</a>
<span class="sourceLineNo">072</span><a id="line.72">    public Map&lt;String, Object&gt; handle(final ResultSet rs) throws SQLException {</a>
<span class="sourceLineNo">073</span><a id="line.73">        return rs.next() ? this.convert.toMap(rs) : null;</a>
<span class="sourceLineNo">074</span><a id="line.74">    }</a>
<span class="sourceLineNo">075</span><a id="line.75"></a>
<span class="sourceLineNo">076</span><a id="line.76">}</a>




























































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